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Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
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ElectricalMicroprocessor
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By setting 0-0 in RS0 and RS1 bit in PSW which register is selected?

A

Register bank 0

B

Register bank 1

C

Register bank 2

D

Register bank 3

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 How many pins of the 8255 can be used as the I/O ports?
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